Cordless Drills  

Cordless Drills


Cordless Drill Buyer's Guide

cordless drill If you are doing a job where outlets aren't handy and extension cords could pose a safety hazard, then a cordless drill may be just the tool you are looking for.

Cordless drills can be used for most light and medium duty drilling and screwing jobs.  A cordless drill is similar to a corded drill, in that a switch on the drill handle turns the drill on and controls its rotational speed.  Another switch allows you to reverse the drill's direction.  Most cordless drills also have keyless chucks.

cordless drill chuck Cordless drills do have a few features that corded drills do not, including a two-speed transmission that lets the chuck turn at a low speed for drilling large holes, or at a high speed for drilling small holes.  The gears are shifted via a lever on the top of the drill.

Another feature the cordless drill has that its corded cousin doesn't is a variable clutch that tells the motor to disengage when it meets resistance.  This prevents screws from being damaged or over-tightened.

cordless drill and accessories While cordless drills are great for everyday use, they may not have the capability for heavy-duty jobs.  Many do not have the torque to drill large holes, or quickly run out of battery juice when attempting to do so.

Both nickel cadmium and nickel metal hydride battery systems are used in cordless drills.  The batteries will have different power ratings; usually, the higher the battery rating, the more expensive the drill.  A 12-volt drill is a good choice for most jobs, while an 18-volt drill is a good choice if you plan to drill a lot of large holes.  Some pro-quality cordless drill models feature long-running Lithium-ion battery packs.

Drilling into a Wooden Board with a Cordless Drill (Slow Motion)

Drilling into a Concrete Block with a Cordless Drill (Slow Motion)

Before you buy a cordless drill, handle several to determine which is the most comfortable.  You may also want to determine which accessories are available for any drill you consider.

Cordless Drill Brands

Drill Safety Guidelines

The United States Occupational Safety and Health Administration (OSHA) offers these guidelines for safe handheld drill operation.

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